Warning - newby question -- $_GET

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Hi,

I'm trying to call a script with the "?=" after the php script name in the
URL, but can't seem to pick up the variable to use in my script...
any help would be greatly appreciated :)

I'm calling the script with this url:
http://localhost/Data/test/dbconnect2c.php?id=TestPage

The section of the script i'm using is:
$id = $_GET['id'];
$sql="SELECT * FROM content where title=$id";
$result=mysql_query($sql,$db);

Error message returned:
Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result
resource in...


Thanks,
Gav


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